TRITRUST INDUSTRIAL CO., LTD. Add: No.1215 Hubin South Road, Xiamen, China, 361006 Tel: 86-592-5523949 /Fax: 86-592-3761855 Email: [email protected] Website: www.TTTmetalpowder.com

MSDS OF Tantalum Powder 1 Identification of substance:  Catalog #:TA-103/104  Product name: Tantalum powder 2 Composition/Data on components:  Chemical characterization: Description: (CAS#) Tantalum (CAS# 7440-25-7): 100%  Identification number(s):  EINECS Number: 231-135-5 3 Hazards identification  Hazard description: Xi Irritant F Highly flammable  Information pertaining to particular dangers for man and environment R 11 Highly flammable. R 36/37/38 Irritating to eyes, respiratory system and skin.  Classification system  HMIS ratings (scale 0-4) (Hazardous Materials Identification System) Health (acute effects) = 1 Flammability = 3 Reactivity = 1 4 First aid measures  After inhalation Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.  After skin contact Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.  After eye contact Rinse opened eye for several minutes under running water. Then consult a doctor.  After swallowing Seek immediate medical advice. 5 Fire fighting measures  Suitable extinguishing agents Special powder for metal fires. Do not use water.  For safety reasons unsuitable extinguishing agents Water Carbon dioxide Halogenated extinguisher

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Protective equipment: Wear self-contained respirator. Wear fully protective impervious suit.

6 Accidental release measures  Person-related safety precautions: Wear protective equipment. Keep unprotected persons away. Ensure adequate ventilation Keep away from ignition sources  Measures for environmental protection: Do not allow material to be released to the environment without proper governmental permits.  Measures for cleaning/collecting: Ensure adequate ventilation. Keep away from ignition sources.  Additional information: See Section 7 for information on safe handling See Section 8 for information on personal protection equipment. See Section 13 for disposal information. 7 Handling and storage  Handling  Information for safe handling: Handle under dry argon. Keep container tightly sealed. Store in cool, dry place in tightly closed containers. Ensure good ventilation at the workplace.  Information about protection against explosions and fires: Keep ignition sources away. Protect against electrostatic charges. Fumes can combine with air to form an explosive mixture.    

Storage Requirements to be met by storerooms and receptacles: Store in a cool location. Information about storage in one common storage facility: Store away from oxidizing agents. Store away from halogens. Further information about storage conditions: Store under dry inert gas. Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.

8 Exposure controls and personal protection  Additional information about design of technical systems: Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute. Components with limit values that require monitoring at the workplace: Tantalum mg/m3 ACGIH TLV 5 Austria MAK 5 Belgium TWA 5

Denmark TWA 5 Finland TWA 5 France VME 5 Germany MAK 5 Ireland TWA 5; 10-STEL Korea TLV 5 Netherlands MAC-TGG 5 Poland TWA 5 Russia 10-STEL Switzerland MAK-W 5 United Kingdom TWA 5; 10-STEL USA PEL 5 

Additional information: No data

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Personal protective equipment General protective and hygienic measures The usual precautionary measures for handling chemicals should be followed. Keep away from foodstuffs, beverages and feed. Remove all soiled and contaminated clothing immediately. Wash hands before breaks and at the end of work. Avoid contact with the eyes and skin. Breathing equipment: Use suitable respirator when high concentrations are present. Protection of hands: Impervious gloves Eye protection: Safety glasses Body protection: Protective work clothing.

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9 Physical and chemical properties:  General Information  Form: Powder  Color: Grey  Odor: Odorless Value/Range Unit Method        

Change in condition Melting point/Melting range: Boiling point/Boiling range: Sublimation temperature / start: Flash point: Flammability (solid, gaseous) Ignition temperature: Decomposition temperature:

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Explosion limits: Lower: Upper:

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Vapor pressure:

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Density:

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Solubility in / Miscibility with Water:

2996 ° C 5425 ° C Not determined Not applicable Highly flammable. 300 ° C Not determined

Not determined Not determined Not determined at 20 ° C 16.6 g/cm³ Insoluble

10 Stability and reactivity  Thermal decomposition / conditions to be avoided: Decomposition will not occur if used and stored according to specifications.  Materials to be avoided: Oxidizing agents Halogens Interhalogens Bases Hydrogen fluoride (HF)  Dangerous reactions Reacts with oxidizing agents  Dangerous products of decomposition: Metal oxide fume 11 Toxicological information  Acute toxicity:  Primary irritant effect:  on the skin: Irritant to skin and mucous membranes.  on the eye: Irritating effect.  Sensitization: No sensitizing effects known.  Other information (about experimental toxicology): Tumorigenic effects have been observed on tests with laboratory animals.  Subacute to chronic toxicity:  Subacute to chronic toxicity: The Registry of Toxic Effects of Chemical Substances (RTECS) reports the following effects in laboratory animals: Tumorigenic - equivocal tumorigenic agent by RTECS criteria. Tumorigenic - tumors at site of application.  Subacute to chronic toxicity: Evidence suggests tantalum metal has a low toxicity potential due to poor absorption. Tantalum dust has caused transient inflammatory lesions in the lungs of animals.  Additional toxicological information: To the best of our knowledge the acute and chronic toxicity of this substance is not fully known. 12 Ecological information:  General notes: Do not allow material to be released to the environment without proper governmental permits. 13 Disposal considerations 

Product Recommendation: Consult state, local or national regulations to ensure proper disposal.

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Uncleaned packagings Recommendation: Disposal must be made according to official regulations.

14 Transport information  Not regulated 15 Regulations

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Product related hazard informations:

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Hazard symbols: Xi Irritant F Highly flammable

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Risk phrases: 11 Highly flammable. 36/37/38 Irritating to eyes, respiratory system and skin.

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Safety phrases: 7 Keep container tightly closed. 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 33 Take precautionary measures against static discharges. 37 Wear suitable gloves. 43 In case of fire, use sand, carbon dioxide or powdered extinguishing agent. Never use water. 60 This material and its container must be disposed of as hazardous waste.

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National regulations All components of this product are listed in the U.S. Environmental Agency Toxic Substances Control Act Chemical substance Inventory.

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Information about limitation of use: For use only by technically qualified individuals.

16 Other information: Employers should use this information only as a supplement to other information gathered by them, and should make independent judgement of suitability of this information to ensure proper use and protect the health and safety of employees. This information is furnished without warranty, and any use of the product not in conformance with this Material Safety Data Sheet, or in combination with any other product or process, is the responsibility of the user.